The purpose of this initiative is to continue to enhance the accuracy of the Western Energy Imbalance Market (WEIM) resource sufficiency evaluation.
This initiative addresses remaining items from the Resource Sufficiency Evaluation Enhancements (RSEE) Phase 1 initiative as well as elements deferred from the Phase 1 policy development process. This scope is informed by analysis the CAISO performed on different aspects of the WEIM Resource Sufficiency Evaluation (RSE) that were not addressed under the RSEE Phase 1 policy development.
The settlements related scope for this initiative is as follows:
Facilitate assistance energy transfer between WEIM Balancing Authority Areas (BAA) into the WEIM BAAs that failed RSE upward test:
Creation of new charge code for the Assistance Energy Transfer Surcharge
Creation of new allocation charge code for the Asssistance Energy Transfer Allocation.
The effective Trade Date for this change is 7/1/2023.